CN105686796A - Portable human body balance detection instrument - Google Patents
Portable human body balance detection instrument Download PDFInfo
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- CN105686796A CN105686796A CN201410690673.4A CN201410690673A CN105686796A CN 105686796 A CN105686796 A CN 105686796A CN 201410690673 A CN201410690673 A CN 201410690673A CN 105686796 A CN105686796 A CN 105686796A
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Abstract
The invention discloses a portable human body balance detection instrument, which comprises a test platform, an amplification circuit, an analog-to-digital conversion circuit and a main controller, wherein the test platform comprises three pressure sensors in triangular arrangement and is used for detecting the human body gravity center; the main controller is used for receiving digital signals output by the analog-to-digital conversion circuit, performing real-time processing on the digital signals according to the moment balance principle, further obtaining the projection coordinate of the human body gravity center on the plane, and drawing a gravity center moving track; the three pressure sensors arranged on the test platform are connected with the input end of the amplification circuit; the output end of the amplification circuit is connected with the input end of the analog-to-digital conversion circuit; the output end of the analog-to-digital conversion circuit is connected with the input end of the main controller; the main controller is connected with a man-computer interaction module; the man-machine interaction module is connected with a member management module and a communication module; and the main controller is also connected with a storage module. The portable human body balance detection instrument has the advantages that the structure is simple; the operation is convenient and visual; the power consumption is low; and the popularization and the use are convenient.
Description
Technical field
The present invention relates to a kind of balance detection instrument, be specifically related to a kind of portable body balance detection instrument。
Background technology
Equilibrium function is a critical function of human body, can be divided into static equilibrium and dynamic equilibrium。The equilibrium function test of human body is to study for many years, but this field still there is also many problems waiting solution further。Complete the experiment of human body dynamic and static weighing, obtain related parts of human body motion deformation amount and variation tendency, scientific basis is provided for the location of disease, qualitative and Differential Diagnosis etc.。The factors such as aging, apoplexy, deformity of limbs all can cause the obstacle of human motion equilibrium function, and the test and evaluation of equilibrium function plays vital effect in the diagnosis and judge of such relevant disease。
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency of the prior art, it is provided that a kind of portable body balance detection instrument。The simple in construction of this portable body balance detection instrument, easy to operate intuitively, power consumption is relatively low, it is simple to promote the use of。
For achieving the above object, the technical solution used in the present invention is: portable body balance detection instrument, it is characterized in that: include by three pressure transducer layings triangular in shape and for detecting the test platform of gravity center of human body, signal for described test platform is exported is amplified the amplifying circuit processed, for receiving the analogue signal of described amplifying circuit output and described analogue signal being converted to the analog to digital conversion circuit of digital signal, for receiving the digital signal of analog-digital conversion circuit as described output and according to principle of moment balance, described digital signal carrying out processing in real time and then to obtain gravity center of human body and be projection coordinate in plane and the master controller drawing out gravity motion track, three pressure transducers on described test platform all connect with the input of described amplifying circuit, the outfan of described amplifying circuit connects with the input of analog to digital conversion circuit, the outfan of analog-digital conversion circuit as described connects with the input of master controller, described master controller is connected to for showing described projection coordinate and the human-computer interaction module of gravity motion track, described human-computer interaction module is connected to for identifying the member management module of human-computer interaction module operator and the communication module for connecting with printing device, described master controller is further connected with the memory module for being undertaken storing by described projection coordinate and gravity motion track。
Above-mentioned portable body balance detection instrument, it is characterised in that: described master controller adopts the LM3S9D90 chip of Cortex-M3。
Above-mentioned portable body balance detection instrument, it is characterised in that: described amplifying circuit adopts OPA2365 amplifier。
Above-mentioned portable body balance detection instrument, it is characterised in that: also include the supply module powered for described test platform, amplifying circuit, analog to digital conversion circuit, master controller, human-computer interaction module, member management module and communication module。
The present invention compared with prior art has the advantage that
The high-precision pressure transducer of creative use that the present invention is maximum and the amplifying circuit of low error, DATA REASONING is accurate。Static posturography can be drawn according to the gravity motion situation of tester。Use the balance Quantitative Evaluation Algorithm of original creation, the balance quality of tester can be evaluated accurately。
Below by drawings and Examples, technical scheme is described in further detail。
Accompanying drawing explanation
Fig. 1 is the schematic block circuit diagram of the present invention。
Description of reference numerals:
1 test platform；1-1 pressure transducer；2 amplifying circuits；
3 analog to digital conversion circuits；4 master controllers；5 human-computer interaction modules；
6 member management modules；7 communication modules；8 memory modules。
Detailed description of the invention
A kind of portable body balance detection instrument as shown in Figure 1, including by three pressure transducer 1-1 layings triangular in shape and for detecting the test platform 1 of gravity center of human body, signal for described test platform 1 is exported is amplified the amplifying circuit 2 processed, for receiving the analogue signal of described amplifying circuit 2 output and described analogue signal being converted to the analog to digital conversion circuit 3 of digital signal, for receiving the digital signal of analog-digital conversion circuit as described 3 output and according to principle of moment balance, described digital signal carrying out processing in real time and then to obtain gravity center of human body and be projection coordinate in plane and the master controller 4 drawing out gravity motion track, three pressure transducer 1-1 on described test platform 1 all connect with the input of described amplifying circuit 2, the outfan of described amplifying circuit 2 connects with the input of analog to digital conversion circuit 3, the outfan of analog-digital conversion circuit as described 3 connects with the input of master controller 4, described master controller 4 is connected to the human-computer interaction module 5 for showing described projection coordinate and gravity motion track, described human-computer interaction module 5 is connected to the member management module 6 for identifying human-computer interaction module operator and the communication module 7 for connecting with printing device, described master controller 4 is further connected with the memory module 8 for being undertaken storing by described projection coordinate and gravity motion track。
In the present embodiment, described master controller 4 adopts the LM3S9D90 chip of Cortex-M3。Described amplifying circuit 2 adopts OPA2365 amplifier。
In the present embodiment, this portable body balance detection instrument also includes the supply module for the power supply of described test platform 1, amplifying circuit 2, analog to digital conversion circuit 3, master controller 4, human-computer interaction module 5, member management module 6 and communication module 7。
In the present embodiment, this portable body balance detection instrument is by three angles of test platform 1, three pressure transducer 1-1 installed below, when tester stands on test platform 1, three pressure transducer 1-1 can export relevant voltage signal, master controller 4 is flowed to after amplifying circuit 2 and analog to digital conversion circuit 3, data according to principle of moment balance, are carried out processing in real time obtaining gravity center of human body being projection coordinate in plane, thus drawing out gravity motion track by described master controller 4。Due to the reason such as life-time service or ageing equipment, the characteristic of sensor, it may happen that change, is at this moment accomplished by sensor is calibrated。Native system uses 2 methods of testing, based on principle be the output of pressure transducer 1-1 be linear within the scope of restriction。Two counterweights of 10KG and 80KG are used to be placed on pressure transducer 1-1 respectively, using quality as abscissa, the AD value after conversion, as vertical coordinate, can calculate the linear function of this sensor, so test three times, record slope and the phase value of three pressure transducer 1-1 linear functions respectively。Namely the calculating section of test module uses the data of this record to calculate。
The work process of the present invention is: after starting test, and the every 50ms of system calculates the barycentric coodinates of a tester, and shows on human-computer interaction module 5, and every 1s shows a body weight information, and updates remaining time。Weight data leaves in the array of 16 elements, uses the mode of sliding window that it is carried out slip mean filter, so that the body weight change of display is steady。Above system set-up information is all stored in miniSD card with the form of configuration file, can read these configuration informations time each system boot is initialized。
The above; it it is only presently preferred embodiments of the present invention; not the present invention is imposed any restrictions, every any simple modification, change and equivalent structure transformation above example made according to the technology of the present invention essence, all still fall within the protection domain of technical solution of the present invention。
Claims (4)
1. portable body balance detection instrument, it is characterized in that: include by the laying triangular in shape of three pressure transducers (1-1) and for detecting the test platform (1) of gravity center of human body, signal for described test platform (1) is exported is amplified the amplifying circuit (2) processed, for receiving the analogue signal that described amplifying circuit (2) exports the analog to digital conversion circuit (3) that described analogue signal is converted to digital signal, for receiving digital signal that analog-digital conversion circuit as described (3) exports and according to principle of moment balance, described digital signal carrying out processing in real time and then to obtain gravity center of human body and be projection coordinate in plane and the master controller (4) drawing out gravity motion track, three pressure transducers (1-1) on described test platform (1) all connect with the input of described amplifying circuit (2), the outfan of described amplifying circuit (2) connects with the input of analog to digital conversion circuit (3), the outfan of analog-digital conversion circuit as described (3) connects with the input of master controller (4), described master controller (4) is connected to the human-computer interaction module (5) for showing described projection coordinate and gravity motion track, described human-computer interaction module (5) is connected to the member management module (6) for identifying human-computer interaction module operator and the communication module (7) for connecting with printing device, described master controller (4) is further connected with the memory module (8) for being undertaken storing by described projection coordinate and gravity motion track。
2. portable body balance detection instrument according to claim 1, it is characterised in that: described master controller (4) adopts the LM3S9D90 chip of Cortex-M3。
3. portable body balance detection instrument according to claim 1, it is characterised in that: described amplifying circuit (2) adopts OPA2365 amplifier。
4. portable body balance detection instrument according to claim 1, it is characterised in that: also include the supply module powered for described test platform (1), amplifying circuit (2), analog to digital conversion circuit (3), master controller (4), human-computer interaction module (5), member management module (6) and communication module (7)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410690673.4A CN105686796A (en) | 2014-11-25 | 2014-11-25 | Portable human body balance detection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410690673.4A CN105686796A (en) | 2014-11-25 | 2014-11-25 | Portable human body balance detection instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105686796A true CN105686796A (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410690673.4A Pending CN105686796A (en) | 2014-11-25 | 2014-11-25 | Portable human body balance detection instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105686796A (en) |
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2014
- 2014-11-25 CN CN201410690673.4A patent/CN105686796A/en active Pending
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Application publication date: 20160622 |